Роснефть также согласилась взять на себя инвестиционные обязательства.
Western sanctions have begun to take a toll on Moscow’s petroleum output.
Brent crude, the world benchmark, gained 1% on the day.
The limited changes will allow Chevron Corp to negotiate its licence with the state-owned oil company, Petroleos de Venezuela.
Oil prices slumped 3% on Monday.
Surging cases of the Omicron coronavirus variant raised fears new curbs may hit fuel demand.
The situation with oil prices has not demonstrated stability over the past 4 months.
Over the past week, world oil quotations have experienced serious volatility.
After trading on September 16, the futures of benchmark oil, Brent and WTI increased by 12.4% and 14.7% respectively
U.S. petroleum and natural gas production increased by 16% and by 12%, respectively, in 2018.